package com.sky.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;

import com.sky.dto.GoodsSalesDTO;
import com.sky.entity.Orders;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.time.LocalDateTime;
import java.util.List;
import java.util.Map;


@Mapper
public interface OrderMapper extends BaseMapper<Orders> {
    /**
     * 根据状态统计订单数量
     * @param status
     */
    @Select("select count(id) from orders where status = #{status}")
    Integer countStatus(Integer status);

    @Select("select * from orders where status = #{status} and order_time<#{orderTime}")
    List<Orders> getByStatusAndOrderTime(Integer status, LocalDateTime orderTime);

    Double sumByMap(Map map);

    Integer countByMap(Map map);
    /*
    * 统计指定时间内销量排名前10
    * */
    List<GoodsSalesDTO> getSalesTop10(LocalDateTime begin,LocalDateTime end);
}
